package com.hkd.cya.适配器模式;

public class SDCardImpl implements SDCard{
    @Override
    public String readSD() {
        String msg="SDCard read msg,hello word SD";
        return msg;
    }

    @Override
    public void writeSD(String msg) {
        System.out.println("SDCard write msg:"+msg);
    }

    public SDCardImpl() {
    }
}
